Added ARM64 platform check

[ossdev07]

I have added the arm64 architecture check in the legacy-platform-all.js test file.

[ossdev07]

Ping @luislobo @aeschright

Please, could you look into PR and suggest if anything else is required from my side.

[rhenwood-arm]

I would be nice for me (as an AArch64 aka Arm64 user) if this small fix was landed. Is there any feedback?

[ossdev07]

Hi, @luislobo @aeschright

Is there any update on the PR status?

[aeschright]

Unfortunately, I'm no longer on the project and don't know when PRs will be merged again. Details: https://gist.github.com/aeschright/8ed09cbc2a4aee00fcb4ad35086d76a6

[ossdev07]

@aeschright Thanks for letting us know.

[DanielRuf]

Is this already merged?

[ossdev07]

Thanks for accepting the PR, it got merged by the raised PR #205